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ADC in STOP2 mode

ABN
Associate III

‎2024-08-19 10:10 PM

Hi ST Community

 

Is it possible to use the ADC polling/DMA/IT in STOP2 mode. The application is to develop a low power platform for ADC sampling and go back to sleep. After a certain period send this data over BLE.

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STTwo-32
ST Employee

‎2024-08-19 10:31 PM

Hello @ABN 

As you can see on the table table 25 of the RM0434, the ADC can work only in RUN, SLEEP, Low Power run and Low Power Sleep modes:

Screenshot_2024-08-20-06-31-06-17_e2d5b3f32b79de1d45acd1fad96fbb0f.jpg

Best Regards

STTwo-32 

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ABN
Associate III

‎2024-08-19 10:36 PM

Hi @STTwo-32 

Thanks for sharing the table. I have couple more questions
1. Any necessary steps to be taken to put ADC block in low power mode

2. After waking up from STOP2 mode, any re-initialization of ADC to be done so that ADC can be used in RUN mode?

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STTwo-32
ST Employee
In response to ABN

‎2024-08-19 10:56 PM

For the first and a second question, i think t

You can follow the same steps as on this example.

Best Regards 

STTwo-32 

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